Question
If two circles of radii 'R' and 'r' cm intersect each other
externally at one point, then which of the following is true?Solution
When two circles of radii 'R' and 'r' cm intersect each other externally at one point, then distance between centre of circles is equal to the sum of their radii.
In the given figure, B and C are the centres of the two circles. ADE is the common tangent to the two circles. If the ratio of the radius of both the ci...
In a parallelogram, two adjacent angles are (3x + 10)° and (x + 30)°. Find the larger angle.
In Fig. if QT ⊥ PR, ∠TQR = 40 ° and ∠SPR = 30 ° , find x and y.    Â
If in a ΔABC, D is a point on BC such that BD = 3cm , BC = 5 cm then what is ratio of area of ΔABD to area of ΔADC ?
What will be circumradius of a right angle triangle whose base is 9 cm & height is 40 cm ?
If O is circumcentre of acute angled triangle ABC, if ∠ BOC = 100˚ then ∠BAC = ?
What will be inradius of an equilateral triangle of side 10 cm?
 If the perimeter of a square is 40 cm, what is the length of each side?
What will be inradius of an equilateral triangle of side 4 cm?
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